diff options
Diffstat (limited to 'hw/virtio/virtio-pci.c')
| -rw-r--r-- | hw/virtio/virtio-pci.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index cb44e19..509c1ff 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -1721,16 +1721,22 @@ static void virtio_pci_realize(PCIDevice *pci_dev, Error **errp) /* PCI BAR regions must be powers of 2 */ pow2ceil(proxy->notify.offset + proxy->notify.size)); - if (proxy->disable_legacy == ON_OFF_AUTO_AUTO) { - proxy->disable_legacy = pcie_port ? ON_OFF_AUTO_ON : ON_OFF_AUTO_OFF; - } - - if (!virtio_pci_modern(proxy) && !virtio_pci_legacy(proxy)) { - error_setg(errp, "device cannot work as neither modern nor legacy mode" - " is enabled"); - error_append_hint(errp, "Set either disable-modern or disable-legacy" - " to off\n"); - return; + if ((proxy->disable_legacy == ON_OFF_AUTO_ON) || + ((proxy->disable_legacy == ON_OFF_AUTO_AUTO) && pcie_port)) { + if (proxy->disable_modern) { + error_setg(errp, "device cannot work as neither modern nor " + "legacy mode is enabled"); + error_append_hint(errp, "Set either disable-modern or " + "disable-legacy to off\n"); + return; + } + proxy->mode = VIRTIO_PCI_MODE_MODERN; + } else { + if (proxy->disable_modern) { + proxy->mode = VIRTIO_PCI_MODE_LEGACY; + } else { + proxy->mode = VIRTIO_PCI_MODE_TRANSITIONAL; + } } if (pcie_port && pci_is_express(pci_dev)) { |